Network Security Engineer

At CI, we see a great place to work as one that is a safe place for everyone to have a voice, where people are empowered to take ownership over meaningful work, where there is an opportunity to grow through stretching themselves, where they can work on innovative products and projects, and where employees are supported and engaged in doing so. The Network Security Engineer is responsible for designing, implementing, automating, and managing the corporate network and associated technical infrastructure, including security devices and services. This role also involves monitoring and troubleshooting firewalls, load balancers, wireless systems, switches, and routers across on‑premises data centers and AWS cloud environments. WHAT YOU WILL DO Design, install, automate, and manage network infrastructure devices, including switches, routers, firewalls, NAC, WAN/LAN systems, wireless access points/controllers, DNS, SSL certificates, and structured cabling. Analyze business requirements to develop scalable and secure technical network solutions and architectural frameworks. Perform network modeling, analysis, and planning, including disaster recovery and contingency strategies. Design, test, inspect, and implement data communications systems and network changes. Deploy and optimize security policies, rulesets, and configurations across NGFWs, SASE platforms, and segmentation technologies to enhance security posture, performance, and operational efficiency. Develop test plans, implementation strategies, and project timelines for network-related initiatives. Troubleshoot and diagnose complex network issues involving multiple variables and distributed environments. Collaborate with technology vendors to support business initiatives and evaluate emerging solutions. Conduct capacity and performance planning, including oversight of production software upgrades. Create and maintain comprehensive documentation for all network infrastructure and operational procedures. Stay current with modern technologies to guide product direction and network evolution. Serve as an escalation point for the service desk and incident response teams, handling reactive incidents and leading root-cause analysis for problem management. Participate in a 24/7 on-call rotation to support critical network operations. WHAT YOU WILL BRING Experience 5 years of experience designing, implementing and supporting complex multi-site networks Education/Training University or College level and/or equivalent applicable IT experience. Network/Security Related Certifications (CCNP, AWS Certified Security / Advanced Networking). Knowledge, Skills and Abilities Strong knowledge of Cisco, Fortinet, and F5 network hardware and software. Good working knowledge of UNIX and Windows operating systems, including systems software and hardware. Deep understanding of MPLS, routing, switching, SD‑WAN, cloud computing, VoIP, and wireless technologies. Proficient with SASE architectures, Zero Trust Network Access (ZTNA), and secure remote‑access frameworks. Working knowledge of scripting and automation, including Python, shell scripting, and Ansible. Extensive experience in multi‑cloud networking, particularly AWS, with strong deployment automation skills. Strong understanding of firewalls, load balancers, DNS, and security technologies such as IPS and ISE. Experience designing complex network infrastructures. Experience using ServiceNow platform and working within structured change‑control processes. Exceptional analytical and problem‑solving abilities, with strong troubleshooting skills across all OSI layers (Layer 1–7). This opportunity is for an existing vacancy with the company. The anticipated base salary range for this position is $69,500 - $119,500. Exact salary depends on several factors such as experience, skills, education, and budget. Salary range may vary based on geographic location. In addition to base salary, this position is eligible for participation in a bonus program. In addition, The Company offers a variety of benefits to eligible employees, including health insurance coverage, wellness programs, life and disability insurance, retirement savings plans, paid leave programs, education-related programs, paid holidays and vacation time, and many others. Many of these benefits are subsidized or fully paid for by the company. This role follows our in‑office work model and requires employees to be onsite four days per week to support collaboration and business needs. CI Financial is an independent company offering global wealth management and asset management advisory services through diverse financial services firms. Since 1965, we have consistently anticipated and responded to the changing needs of investors. We are driven by a commitment to provide individuals and institutions with the highest-quality investments and advice. Our commitment to the highest levels of performance means that whatever their position, CI employees must be comfortable in a fast-paced environment that will stretch them to tap into their highest potential. Employees with a healthy dose of ambition, a desire to commit to a curious mindset for continuous learning, and a willingness to go the extra mile thrive at CI. A Supportive Environment for Success We offer an in-office environment, competitive benefits, and a supportive workplace to help our employees thrive both personally and professionally. WHAT WE OFFER Modern HQ location within walking distance from Union Station Training Reimbursement Paid Professional Designations Employee Savings Plan (ESP) Corporate Discount Program Enhanced group benefits Parental Leave Top–up program Paid time off for Volunteering We are focused on building a diverse and inclusive workforce. If you are excited about this role and are not confident you meet all the qualification requirements, we encourage you to apply to investigate the opportunity further. Please submit your resume in confidence by clicking “Apply”. Only qualified candidates selected for an interview will be contacted. CI Financial Corp. and all of our affiliates (“CI”) are committed to fair and accessible employment practices and provide reasonable accommodations for persons with disabilities. If you require accommodations in order to apply for any job opportunities, require this posting in an additional format, or require accommodation at any stage of the recruitment process please contact us at [email protected], or call 416-364-1145 ext. 4747.

The Network Security Engineer is responsible for designing, implementing, automating, and managing the corporate network and associated technical infrastructure. This includes monitoring and troubleshooting firewalls, load balancers, and other network devices across on-premises and cloud environments.

Candidates should have at least 5 years of experience in designing and supporting complex multi-site networks. A university or college education and relevant certifications such as CCNP or AWS Certified Security are preferred.

• Health Insurance • Wellness Programs • Life Insurance • Disability Insurance • Retirement Savings Plans • Paid Leave Programs • Education-Related Programs • Paid Holidays • Vacation Time

Identified from the job description. Confirm important requirements above.

• Network Security
• Cisco
• Fortinet
• F5
• UNIX
• Windows
• MPLS
• Routing
• Switching
• SD-WAN
• Cloud Computing
• VoIP
• Wireless Technologies
• Scripting
• Automation
• AWS

• Technology
• Security & Safety
• Data & Analytics
• Software
• Engineering

Minimum education

Professional degree

Minimum experience

5+ years

Apply by

Aug 14, 2026

Posting language

English

Working hours

40 hours per week

Office presence

4 days per week

Seniority

Mid-Senior level

Application method

Direct apply is available